#B13E27#B13E27

#B13E27 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.154 H 33.2°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B13E27
RGB	rgb(177, 62, 39)
HSL	hsl(10, 64%, 42%)
HSV	hsv(10, 78%, 69%)
CMYK	cmyk(0%, 65%, 78%, 30.6%)
CIE-LAB	lab(42.68, 45.58, 38.48)
CIE-LCH	lch(42.68, 59.65, 40.17°)
OKLab	oklab(52.32% 0.1291 0.0845)
OKLCH	oklch(52.32% 0.154 33.2)
XYZ	xyz(20.2225, 12.9418, 3.3522)
Luminance	0.1294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13E27 #279AB1

analogous

#B12755 #B13E27 #B18327

triadic

#B13E27 #27B13E #3E27B1

tetradic

#B13E27 #55B127 #279AB1 #8327B1

square

#B13E27 #55B127 #279AB1 #8327B1

split-complementary

#B13E27 #27B183 #2755B1

monochromatic

#4D1B11 #7F2C1C #B13E27 #D55940 #E08572

Accessibility & contrast

On white

5.85

#B13E27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B13E27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13E27

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13E27	#FFFFFF	#000000	##FFFFFF
##B13E27	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5524

Deuteranopia (green-blind)

#7B6E23

Tritanopia (blue-blind)

#C31F39

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13e27;
/* rgb */ color: rgb(177, 62, 39);
/* oklch */ color: oklch(52.3% 0.154 33.2);

Tailwind

colors: {
  custom: {
    50: '#d07963',
    500: '#b13e27',
    950: '#000000',
  },
}

SCSS

$custom: #b13e27;
$custom-light: #d07963;
$custom-dark: #000000;

JSON

{
  "hex": "#b13e27",
  "rgb": {
    "r": 177,
    "g": 62,
    "b": 39
  },
  "hsl": {
    "h": 10,
    "s": 63.889,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52318,
    "c": 0.15436,
    "h": 33.2
  },
  "luminance": 0.12939
}

Semantic roles & 50–950 ramp

primary

#B13E27

secondary

#6DB8C7

accent

#CBE741

background

#FDF7F5

surface

#FBEEEA

border

#D4C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #B13E27

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →